Home / 9,621,849.10-13,278,046.05-5,211,465.01

Finding the Fourth Proportional to 9,621,849.10, 13,278,046.05 and 5,211,465.01

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Solution

The fourth proportional to 9,621,849.10, 13,278,046.05 and 5,211,465.01 is: 7,191,764.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621,849.10 : 13,278,046.05 = 5,211,465.01 : x
  2. Step 2: Convert to fraction form
    9,621,849.10/13,278,046.05 = 5,211,465.01/x
  3. Step 3: Cross multiply
    9,621,849.10x = 13,278,046.05 × 5,211,465.01
  4. Step 4: Simplify right side
    9,621,849.10x = 69,198,072,402,178.27
  5. Step 5: Solve for x
    x = 69,198,072,402,178.27/9,621,849.10
  6. Step 6: Final answer
    x = 7,191,764.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.